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kirza4 [7]
3 years ago
14

Is 1+4(3-10)-12x equivalent to -9

Mathematics
1 answer:
Margaret [11]3 years ago
3 0

Answer:

No (not sure though)

Step-by-step explanation:

1+4(3-10)-12x

1+4(-7)-12x

1+(-28)-12x

-27-12x

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The sum of three numbers is 105. The third number is 2 times the first. The first number is 5 less than the second. What are the
Radda [10]

Answer:

The second number = 30

The first number = 25

The third number = 50

Step-by-step explanation:

Let

The second number = x

The first number = x - 5

The third number = 2(x - 5)

Total = 105

105 = x + (x - 5) + 2(x - 5)

105 = x + x - 5 + 2x - 10

105 = 4x - 15

105 + 15 = 4x

120 = 4x

x = 120/4

x = 30

The second number = x

= 30

The first number = x - 5

= 30 - 5

= 25

The third number = 2(x - 5)

= 2(30 - 5)

= 2(25)

= 50

5 0
3 years ago
LOOK AT THE PICTURE TO ANSWER
lesantik [10]
I think it’s 15 I’m not sure tho
7 0
2 years ago
Read 2 more answers
Simplify 3x + (-12x) - 5x. -14x -9x 10x 20x
a_sh-v [17]
3x + (-12x) - 5x \\ \\ 3x - 12x - 5x \\ \\ -14x \\ \\ Answer: \fbox {-14x}
6 0
3 years ago
Read 2 more answers
- 1/2 (-5/6 + 1/3) simplified
zhannawk [14.2K]
-1/2(-5/6+-1/3)
-1/2(-1/2)
1/4
7 0
3 years ago
What is the area of the isosceles trapezoid shown?
balandron [24]

If you want the area of the entire trapeziod.

The formula for area of a trapeziod is:

1/2h(b₁+b₂)

So the equation applied to the trapeziod is:

2.5(20+12)

20+12 is 32. 32 multiplied by  2.5 is 80.

<h3><u><em>Your answer is 80.</em></u></h3>
4 0
3 years ago
Read 2 more answers
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